英汉双语例句-生物医药大词典

A ball has no power by which it can put itself in motion but as soon as you throw it, you impart energy to it and this is why it speeds through the air.

中文意思：
球体本身并不具有进入运动状态的动力，但你一掷它，就给了它能量，这就是为什么球会快速飞入空中的道理。

以下为相关句子列表(点击查看，可以看对应的解释）：

	A bald head is soon shaven.			光头剃发不费时。
	A bald man in a very long purple coat had actually shaken his hand in the street the other day and then walked away without a word.			一个穿紫色拖地长袍地秃头男子在大街上竟然跑过来跟他握手，之后一句话没说就走开了。
	A bald man took a seat in a beauty shop. How can I help you?asked the stylist.			一个秃头的男人坐在理发店里。发型师问：“有什么可以帮你吗？”
	A balky switch; a balky engine.			不易接通的开关；难以起动的发动机
	A ball bounces from the wall.			一颗球从墙上反弹回来。
	A ball has no power by which it can put itself in motion but as soon as you throw it, you impart energy to it and this is why it speeds through the air.			球体本身并不具有进入运动状态的动力，但你一掷它，就给了它能量，这就是为什么球会快速飞入空中的道理。
	A ball is big and round, It's green and sweet, Its meat is red and seeds are black, The seeds are still sold.			一个球，大又圆，绿皮红肉味道甜，吃了红肉吐黑籽，黑籽照样能卖钱。
	A ball of fire seemed to fall out of the void, disappearing before it reached the earth.			一个火球似乎从天外飞降而来，在到达地面前悄然失踪了。
	A ball or dumpling of finely chopped meat or seafood bound with eggs and poached in stock or water.			肉圆，鱼圆由精碎肉或海味裹着鸡蛋做成的小球或团子，放在汁料或水中煮
	A ball rolled out of the door.			一个球滚出门去。
	A ball that is delivered at 20 miles per hour will hook much less than one delivered with the same rev rate and axis rotation angle, but at only 13 miles per hour.			一个初速20哩/小时的球在同样转速及侧旋的条件下，曲度会比13哩/小时时要小得多。